youdao

In his theory, human laughter is produced in four successive emotional stages — letting loose, then deviating from the norm, followed by freely laughing and then having the laughter overflow.

在他的理论中，人的笑声是在下面四个相继阶段出现：——放松、然后偏离规范；接着无拘束地笑；最后让笑声洋溢。

youdao

In his theory, human laughter is produced in four successive emotional stages -- letting loose, then deviating from the norm, followed by freely laughing and then having the laughter overflow.

根据木村教授的理论，人类的笑声是以四个连续的情绪阶段产生的，首先是放松，然后偏离常态，接着自由地笑，最后是大笑。

youdao

Right before the hammer fell at 630, 000 euros someone pushed it to 640, 000 which produced more laughter.

FORBES: Napoleon's Engagement Ring To Jos��phine Fetches $948,000 At Auction